Background The weaning process is complex and needs to be done carefully. The success of extubation in premature babies is associated with brain maturity and adequate function of the lungs. We aimed to identify the ventilator parameters and clinical conditions related to extubation success and failure in premature infants. Materials and Methods This is anobservational study, analytical and non-...

the need to establish power plants to supply the required electricity of the country has been rising due to increasing demand levels as well as the lack of governmental resources. furthermore, the available traditional attitude in performing and conducting power plant projects has made government seek a modern attitude. this paper tries to use the topics that have been employed in automotive in...

toppling failure is one of the most common modes of failure of rock slopes in layered rock strata. flexural toppling is one of the well-known modes of the failure. this type of failure occurs due to bending stress. in this article, a brief yet comprehensive review of toppling failure is presented. firstly, the conditions and general mechanism of the failure are described. then, experimental, th...

statement of problem: failure of endodontic treatment is determined on the basis of radiographic findings and clinical signs and/ or symptoms of the treated teeth. purpose: the purpose of this study was to determine endodontic treatment failure in relation to various factors influencing it in teeth with periapical lesions (clinically and radiographically). materials and methods: teeth which had...

Background: The ultimate goal of the treatment of infectious knee arthritis is to protect the articular cartilage fromadverse effects of infection. Treatment, however, is not always hundred percent successful and has a 12% failurerate. Persistent infection is more likely to happen in elderly patients and those with underlying joint diseases,particularly osteoarthritis. Eradica...

In this research, we study an optimal overhaul–replacement policy of a multi-degraded repairable system sold with a free replacement warranty. In the proposed replacement policy, a maintenance action and failure are dependent on a system degradation level and the system age, and hence the replacement model will provide more effective maintenance decisions. Failure of the system is modeled using...

The sample population was consisted of 299 male and female students of the University of Khwarizmi. Theories used in this study included Social bonding theory, differential opportunity, differential association, feeling anomie and frustration (love, and academic failure). The obtained results indicate that there is the bound variables, anomie, differential association, feeling of anomie, social...